PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Background: With a density of 19.3 grams/cm3, gold is the heaviest element that can be readily found in nature.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceattractions.com